//set stock
        public void WriteBackStockQuantity(string id, int quantity)
        {
            int leftStock = this.GetItemStock(id) + quantity;

            _initial.WriteInitial(id, STOCK_KEY, leftStock.ToString());
            _stockChangeEvent();
        }
 //update type info
 public void UpdateType(string id, string[] data)
 {
     for (int i = 0; i < data.Length; i++)
     {
         _initial.WriteInitial(id, _keyList[i], data[i]);
     }
     this.InitialAllCategoryIdList();
     _typesUpdateEvent();
 }